Von Ludwig CFH. List of exotic trees, shrubs, plants, bulbs; garden flower, forest, and other seeds: imported lately from Germany (Wurtemberg and Hamburg), Holland, &c. by the Danish Ship Norden, Capt. Burd, and the Ionia, Capt. C. Buck. S. Afr. Q. J. [Internet]. 1831 Oct. 1 [cited 2026 Jan. 15];1(5):40-5. Available from: https://journal.ru.ac.za/index.php/saqj/article/view/2598